The young artist Yus came under the surveillance of the secret services and became the subject of medical experiments. Having managed to escape, he seeks salvation in the Pamirs, not suspecting what this region has become over the years of unrest. The local criminals, who have remembered the “glorious” traditions of the Basmachi gangs, live according to the rules of Yasa - a set of laws compiled by Genghis Khan. In the Fergana Valley, the deeply hidden qualities of the soul are now quickly emerging. A person who sets foot on the land of eternal war can become a great conqueror, or a saint, or a madman possessed by an evil ifrit. Only one thing is impossible - to evade a mortal fight.